Thanks to everyone who has answered this post - perhaps Wolfram may, at some
stage, include a SurdForm routine in either the kernel or a package.
Best wishes
Tony
"Tony King" <mathstutoring at ntlworld.com> wrote in message
news:dtp5pv$eq8$1 at smc.vnet.net...
> Does anyone know how I can force Mathematica to display surds in the
> numerator of an expression, or a function that can be applied to do the
> job?
>
> For example, FullSimplify[1/(3+Sqrt[2])] returns itself and not 1/7
> (3-root2)
>
> Similarly, Sin[Pi/12] returns (-1+root3)/(2root2) and not 1/4
> (root6-root2)
>
> Many thanks
>
> Tony
>